Update MCP template for new registry specification (#6796)

* Initial plan

* Update MCP template server.json for new registry specification

Co-authored-by: timheuer <[email protected]>

* Fix root property name from 'id' back to 'name' in MCP server.json template

Co-authored-by: timheuer <[email protected]>

* Update schema URI to use static.modelcontextprotocol.io and server.schema.json

Co-authored-by: joelverhagen <[email protected]>

---------

Co-authored-by: copilot-swe-agent[bot] <[email protected]>
Co-authored-by: timheuer <[email protected]>
Co-authored-by: joelverhagen <[email protected]>

Author: 3 people

src/ProjectTemplates/Microsoft.Extensions.AI.Templates/src/McpServer/McpServer-CSharp/.mcp/server.json

@@ -1,21 +1,22 @@
 {
-  "$schema": "https://modelcontextprotocol.io/schemas/draft/2025-07-09/server.json",
+  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json",
   "description": "<your description here>",
   "name": "io.github.<your GitHub username here>/<your repo name>",
+  "version": "0.1.0-beta",
   "packages": [
     {
-      "registry_name": "nuget",
-      "name": "<your package ID here>",
+      "registry_type": "nuget",
+      "identifier": "<your package ID here>",
       "version": "0.1.0-beta",
+      "transport": {
+        "type": "stdio"
+      },
       "package_arguments": [],
       "environment_variables": []
     }
   ],
   "repository": {
     "url": "https://github.com/<your GitHub username here>/<your repo name>",
     "source": "github"
-  },
-  "version_detail": {
-    "version": "0.1.0-beta"
   }
 }

test/ProjectTemplates/Microsoft.Extensions.AI.Templates.IntegrationTests/Snapshots/mcpserver.Basic.verified/mcpserver/.mcp/server.json

@@ -1,21 +1,22 @@
 {
-  "$schema": "https://modelcontextprotocol.io/schemas/draft/2025-07-09/server.json",
+  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-07-09/server.schema.json",
   "description": "<your description here>",
   "name": "io.github.<your GitHub username here>/<your repo name>",
+  "version": "0.1.0-beta",
   "packages": [
     {
-      "registry_name": "nuget",
-      "name": "<your package ID here>",
+      "registry_type": "nuget",
+      "identifier": "<your package ID here>",
       "version": "0.1.0-beta",
+      "transport": {
+        "type": "stdio"
+      },
       "package_arguments": [],
       "environment_variables": []
     }
   ],
   "repository": {
     "url": "https://github.com/<your GitHub username here>/<your repo name>",
     "source": "github"
-  },
-  "version_detail": {
-    "version": "0.1.0-beta"
   }
 }